• Wide Area Control with Inverter-based resources 

• Power System Stability Analysis under High Penetration Level

• Impact of fluctuating Renewable Sources (Wind, PV, etc.)

• Frequency Stability & Critical Inertia Calculation

• Small Signal Stability Analysis and Oscillatory Stability

• Multi-variable control for MTDC/HVDC/FACTS Operation 

• Sub-Synchronous Stability

• Grid Forming Inverter

• Converter-driven Stability of Inverter-based Resources

• Damping Controller Design and Operation to Improve System Stability

• Synthetic Inertia to Reinforce System Inertial Energy 

• MTDC/HVDC/STATCOM/SVC/TCSC: Modeling, Analysis and Control

• AC-DC Interaction

• Eigenvalue and Eigenvector Analysis

• Controllability Analysis

• System Identification for Oscillatory Stability  

Image Source: Jae Woong Shim1*, Gregor Verbic, Kyeon Hur, Stochastic Eigen-analysis of Electric Power System with High Renewable Penetration: Impact of Changing Inertia on Oscillatory Modes, IEEE Transactions on Power Systems, vol. 35, no. 6, pp. 4655-4665, Nov. 2020

• Operation Methodology of ESS

• Power System Stability Mitigation with ESS (Ancillary Service)

• Frequency Coordination of ESS with Existing Frequency Control (Governor, AGC)

• Energy Management of ESS

• Multi-functionality of V2G and ESS in Microgrid

• Grid Operation for Power System Resiliency

• Grid Self-Healing

• Short Circuit Issues of the System